/**
 * Copyright 2011-2017 GatlingCorp (http://gatling.io)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.gatling.recorder.util

import java.util.Locale

import io.netty.handler.codec.http.HttpHeaderValues._

object HttpUtils {
  val SupportedEncodings = Set(GZIP.toString, DEFLATE.toString)

  def filterSupportedEncodings(acceptEncodingHeaderValue: String): String =
    acceptEncodingHeaderValue
      .split(",")
      .filter(encoding => SupportedEncodings.contains(encoding.trim.toLowerCase(Locale.US)))
      .mkString(",")
}
